Q1. What do you mean by Link Control Protocol? prepare down the format of LCP packet. As well how authentication is supported in the PPP? Describe.
Q2. Compare and contrast the virtual circuit and datagram subnet. Illustrate the principles of congestion control and congestion prevention policies.
Q3. By using RSA algorithm encrypt and decrypt the message ‘BE’ with the key pairs (3, 15) and (5, 15).
Q4. The television channels are 6 MHz wide. describe how many bits/sec can be sent if four levels of the digital signals are used? Suppose a noiseless channel.
Q5. Let consider an error free 64-Kbps satellite channel employed to send 512 byte data frames in one direction, with much short acknowledgement coming back the other way. Illustrate the maximum throughput for window size of 01 and 07?
Q6. Describe the concept of Tunneling in inter-networking. Illustrate the differences in the IPv4 and IPv6.